The oxygen in the earth's atmosphere comes from
A) volcanoes.
B) space.
C) photosynthesis.
D) the action of lightning on seawater.
Correct Answer:
Verified
Q25: Nylon is an example of
A) a monomer.
B)
Q26: Which of the following is not a
Q27: Carbohydrates are manufactured in green plants by
A)
Q28: In photosynthesis, chlorophyll acts
A) to shield the
Q29: The average efficiency of photosynthesis in utilizing
Q31: The unique properties of Teflon, which is
Q32: All alcohols
A) are safe to drink.
B) can
Q33: Cellulose is a
A) carbohydrate.
B) protein.
C) lipid.
D) nucleic
Q34: The reaction of an alcohol with an
Q35: A long chain of identical simple molecules
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents